ISSUE:

Some 2008-2009 F-Super Duty 250-550 vehicles equipped with a 6.4L diesel engine and built before 10/1/2008 may exhibit significant amounts of white smoke from the exhaust pipe while driving in high humidity or rainy conditions at temperatures above 40 Â°F (4 Â°C). This smoke only appears during a moderate to full throttle tip-in that is performed after a period of steady state driving.

ACTION:

Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

This procedure only applies if the vehicle meets the following criteria:

Concern is described as significant amounts of white smoke from the exhaust pipe.

White smoke only appears during a moderate to heavy tip-in that is performed after a period of steady state driving (approximately 20 minutes)

No diagnostic trouble codes (DTCs) are present.

Concern is not a result of regeneration, a cleaning exhaust filter event.

If all of the criteria above is true, then replace the Charge Air Cooler Assembly with a new revised part per Workshop Manual, Section 303-12.

PART NUMBER

PART NAME

7C3Z-6K775-B

Charge Air Cooler Assembly

WARRANTY STATUS:

Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions Warranty CoverageIMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.

OPERATION

DESCRIPTION

TIME

082501A

2008-2009 F-Super Duty 6.4L: Replace The Charge Air Cooler, Includes Time To Check For DTCs (Do Not Use With 6775A, 12650D)